Finding the Fourth Proportional to 731,664.18, 1,102,980.21 and 682,894.08
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Solution
The fourth proportional to 731,664.18, 1,102,980.21 and 682,894.08 is: 1,029,459.52
Step by Step Solution
- Step 1: Write the proportion equation
731,664.18 : 1,102,980.21 = 682,894.08 : x - Step 2: Convert to fraction form
731,664.18/1,102,980.21 = 682,894.08/x - Step 3: Cross multiply
731,664.18x = 1,102,980.21 × 682,894.08 - Step 4: Simplify right side
731,664.18x = 753,218,655,766.16 - Step 5: Solve for x
x = 753,218,655,766.16/731,664.18 - Step 6: Final answer
x = 1,029,459.52
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.